saphostagent_extract.sh

#!/bin/bash
export PS4='+(\D{%D %T} ${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
set -euxo pipefail
# See https://launchpad.support.sap.com/#/notes/1473974 for more details (You need S-account to see)
# ARG_OPTIONAL_SINGLE([dir],[d],[Directory with extracted hostagent executables.],['/usr/sap/hostctrl/exe/'])
# ARG_OPTIONAL_SINGLE([share],[s],[SAP shared directory.],['/export/SAP/software/saphostagent/'])
# ARG_HELP([Configure autoupdate parameters for hostagent.],[Configure autoupdate parameters for hostagent.],[?],[])
# ARG_OPTIONAL_SINGLE([download],[o],[Download directory with hostagent archive files.],['/export/SAP/software/download/'])
# ARG_VERSION_AUTO([1.0])

### START OF CODE GENERATED BY Argbash v2.9.0 one line above ###
# Argbash is a bash code generator used to get arguments parsing right.
# Argbash is FREE SOFTWARE, see https://argbash.io for more info
# Generated online by https://argbash.io/generate

die() {
  local _ret="${2:-1}"
  test "${_PRINT_HELP:-no}" = yes && print_help >&2
  echo "$1" >&2
  exit "${_ret}"
}

begins_with_short_option() {
  local first_option all_short_options='ds?ov'
  first_option="${1:0:1}"
  test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
}

# THE DEFAULTS INITIALIZATION - OPTIONALS
_arg_dir='/usr/sap/hostctrl/exe/'
_arg_share='/export/SAP/software/saphostagent/'
_arg_download='/export/SAP/software/download/'

print_help() {
  printf '%s\n' "Extract hostagent archives."
  printf 'Usage: %s [-d|--dir <arg>] [-s|--share <arg>] [-?|--help] [-o|--download <arg>] [-v|--version]\n' "$0"
  printf '\t%s\n' "-d, --dir: Directory with extracted hostagent executables. (default: ''/usr/sap/hostctrl/exe/'')"
  printf '\t%s\n' "-s, --share: SAP shared directory. (default: ''/export/SAP/software/saphostagent/'')"
  printf '\t%s\n' "-?, --help: Prints help"
  printf '\t%s\n' "-o, --download: Download directory with hostagent archive files. (default: ''/export/SAP/software/download/'')"
  printf '\t%s\n' "-v, --version: Prints version"
  printf '\n%s\n' "Extract hostagent archives."
}

parse_commandline() {
  while test $# -gt 0; do
    _key="$1"
    case "$_key" in
    -d | --dir)
      test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
      _arg_dir="$2"
      shift
      ;;
    --dir=*)
      _arg_dir="${_key##--dir=}"
      ;;
    -d*)
      _arg_dir="${_key##-d}"
      ;;
    -s | --share)
      test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
      _arg_share="$2"
      shift
      ;;
    --share=*)
      _arg_share="${_key##--share=}"
      ;;
    -s*)
      _arg_share="${_key##-s}"
      ;;
    -\? | --help)
      print_help
      exit 0
      ;;
    -\?*)
      print_help
      exit 0
      ;;
    -o | --download)
      test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
      _arg_download="$2"
      shift
      ;;
    --download=*)
      _arg_download="${_key##--download=}"
      ;;
    -o*)
      _arg_download="${_key##-o}"
      ;;
    -v | --version)
      printf '%s %s\n\n%s\n' "" "1.0" 'Configure autoupdate parameters for hostagent.'
      exit 0
      ;;
    -v*)
      printf '%s %s\n\n%s\n' "" "1.0" 'Configure autoupdate parameters for hostagent.'
      exit 0
      ;;
    *)
      _PRINT_HELP=yes die "FATAL ERROR: Got an unexpected argument '$1'" 1
      ;;
    esac
    shift
  done
}

parse_commandline "$@"

# OTHER STUFF GENERATED BY Argbash

### END OF CODE GENERATED BY Argbash (sortof) ### ])

m_sapcar="${_arg_dir}SAPCAR"

declare -A m_ver
declare -A m_sar
declare -A m_sarmap

# Maps material number to directory
m_sarmap["80004822"]="Linux/x86_64/"
m_sarmap["80004831"]="Linux/ppc64le/"
m_sarmap["80004756"]="AIX/powerpc/"
m_sarmap["80004757"]="HP-UX/ia64/"
m_sarmap["80004758"]="HP-UX/pa-risc/"
m_sarmap["80004821"]="Linux/ia64/"
m_sarmap["80004759"]="Linux/ppc64be/"
m_sarmap["80004830"]="zseries/64/"
m_sarmap["80004829"]="OS400/64/"
m_sarmap["80004827"]="Solaris/sparc64/"
m_sarmap["80004826"]="Solaris/x86_64/"
m_sarmap["80004825"]="Windows/x86_64/"
m_sarmap["80004828"]="zOS/64/"

removeold() {
  echo "" >"${_arg_share}${m_sarmap[${1}]}.upgrading"
  find "${_arg_share}${m_sarmap[${1}]}" \
  ! -name .upgrading \
  -type f \
  -regex ".*/${m_sarmap[${1}]}.*" \
  -exec rm -f '{}' \;
  rm -f "${_arg_share}${m_sarmap[${1}]}.upgrading"
}

extractnew() {
  m_lines=$(find "${_arg_share}${m_sarmap[${1}]}" -type f | awk 'END {print  NR}')
  if [[ ${m_lines} == "0" ]]; then
    echo "" >"${_arg_share}${m_sarmap[${1}]}.upgrading"
    "${m_sapcar}" -xjf "${m_sar[${1}]}" -R "${_arg_share}${m_sarmap[${1}]}" -manifest SIGNATURE.SMF
    #echo "1440random60" >"${_arg_share}${m_sarmap[${1}]}.delay"
    echo "" >"${_arg_share}${m_sarmap[${1}]}.verify"
    rm -f "${_arg_share}${m_sarmap[${1}]}.upgrading"
  fi
}

# Find the newest available saphostagent version
while IFS= read -r m_file; do
  m_key="${m_file##*-}"
  m_key="${m_key%.SAR}"
  m_val="${m_file##*_}"
  m_val="${m_val%-*}"
  if [[ -n ${m_ver[${m_key}]:-} ]]; then
    if [[ ${m_ver[${m_key}]} -lt ${m_val} ]]; then
      m_ver["${m_key}"]="${m_val}"
      m_sar["${m_key}"]="${m_file}"
    fi
  else
    m_ver["${m_key}"]="${m_val}"
    m_sar["${m_key}"]="${m_file}"
  fi
done < <(find "${_arg_download}" -type f -regex ".*SAPHOSTAGENT[0-9][0-9]_[0-9][0-9]-[0-9]*\.SAR" 2>/dev/null)

for i in "${!m_ver[@]}"; do
  if [[ -f "${_arg_share}${m_sarmap[$i]}hostagent.mf" ]]; then
    m_old=$(awk '/hostagent patch number:/ {c=$NF; gsub(/[^[:alnum:]]/,"",c); print c}' "${_arg_share}${m_sarmap[$i]}hostagent.mf")
    if [[ ${m_ver[$i]} -gt ${m_old} ]]; then
      removeold "${i}"
      extractnew "${i}"
    fi
  else
    removeold "${i}"
    extractnew "${i}"
  fi
done